<td>
  {{searchable-select
    content=choices
    value=model.roleId
    readOnly=readOnly
  }}
</td>
<td>&nbsp;</td>
{{#unless readOnly}}
  <div class="input-group-btn">
    <button class="btn bg-primary btn-sm" type="button" {{action "remove"}}><i class="icon icon-minus"/></button>
  </div>
{{/unless}}